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A window is an opening in a wall, typically fitted with glass, that allows light and air to enter a space. Windows enhance ventilation, provide views, and contribute to a building’s aesthetics. They come in various styles, including casement, sliding, bay, and skylights, each serving different functional and design purposes. Modern windows often feature energy-efficient materials, such as double glazing, to improve insulation and reduce energy costs. In architecture, windows play a crucial role in balancing natural light and privacy. Whether in homes, offices, or vehicles, windows create a connection between indoor and outdoor environments.